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Finding the Fourth Proportional to 540,616.26, 745,191.58 and 425,712.63

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Solution

The fourth proportional to 540,616.26, 745,191.58 and 425,712.63 is: 586,807.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,616.26 : 745,191.58 = 425,712.63 : x
  2. Step 2: Convert to fraction form
    540,616.26/745,191.58 = 425,712.63/x
  3. Step 3: Cross multiply
    540,616.26x = 745,191.58 × 425,712.63
  4. Step 4: Simplify right side
    540,616.26x = 317,237,467,375.66
  5. Step 5: Solve for x
    x = 317,237,467,375.66/540,616.26
  6. Step 6: Final answer
    x = 586,807.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.